While this doesn't add much in the way of new approaches to old pro-piracy arguments, this point did make me think: "people consider that pop stars make so much money they won’t miss the few pounds from file-sharers"

From a macro economic perspective, can the economy of a society be improved once everything that can be shared for free (or negligible cost) is done so? Could, would or should open-source gamers create Starcraft 2?